Basic tests for drugs :  Pharmaceutical substances, medicinal plant materials, and dosage forms / 
World Health Organization. 
 - Geneva :  World Health Organization,  1998. 
 - iii, 91 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>92-4-154513-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drugs--Analysis<br/>Medicinal plants--Analysis<br/>Drugs--Dosage forms